These Grade 10 Geometry practice tests introduce right-triangle trigonometry through sine, cosine, tangent, special angles, missing sides, and practical measurement problems.
Start by labeling the reference angle and the three sides of the right triangle. Choose sine, cosine, or tangent based on the sides involved, then check whether the answer has a reasonable length and unit.
For more Grade 10 Math practice, return to the Grade 10 Math category.
4. Test
Practice Grade 10 Geometry questions about right triangles, sine, cosine, tangent, SOHCAHTOA, special angles, inverse reasoning, and real-world applications.
Choose the best answer. Identify the reference angle and the opposite, adjacent, and hypotenuse sides before selecting a ratio or special-angle relationship.
Please select an answer first.
Correct answer: A
The correct answer is ..
The 30°-60°-90° triangle gives .
Please select an answer first.
Correct answer: B
The correct answer is ..
The 30°-60°-90° triangle gives .
Please select an answer first.
Correct answer: C
The correct answer is 1..
A 45°-45°-90° triangle has equal legs, so opposite over adjacent equals 1.
Please select an answer first.
Correct answer: D
The correct answer is ..
In a 45°-45°-90° triangle, each leg-to-hypotenuse ratio is .
Please select an answer first.
Correct answer: A
The correct answer is ..
The 30°-60°-90° triangle gives .
Please select an answer first.
Correct answer: B
The correct answer is ..
The 30°-60°-90° triangle gives .
Please select an answer first.
Correct answer: C
The correct answer is 30°..
Among the common acute special angles, .
Please select an answer first.
Correct answer: D
The correct answer is 45°..
The special-angle value .
Please select an answer first.
Correct answer: A
The correct answer is 60°..
The special-angle value .
Please select an answer first.
Correct answer: B
The correct answer is 52°..
The two acute angles are complementary, so the other is .
